Home / 2,885,323.56-4,328,273.98-991,815.72

Finding the Fourth Proportional to 2,885,323.56, 4,328,273.98 and 991,815.72

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Solution

The fourth proportional to 2,885,323.56, 4,328,273.98 and 991,815.72 is: 1,487,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,323.56 : 4,328,273.98 = 991,815.72 : x
  2. Step 2: Convert to fraction form
    2,885,323.56/4,328,273.98 = 991,815.72/x
  3. Step 3: Cross multiply
    2,885,323.56x = 4,328,273.98 × 991,815.72
  4. Step 4: Simplify right side
    2,885,323.56x = 4,292,850,173,830.97
  5. Step 5: Solve for x
    x = 4,292,850,173,830.97/2,885,323.56
  6. Step 6: Final answer
    x = 1,487,822.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.